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How much is electricity?

How much electricity does an electric car require?

  • How much electricity does an electric car require each day to charge its batteries? Hence how much extra electricity capacity must be added nation wide to switch to electric ...show more

  • Answer:

    If we take tlbs example of 5kW-hr daily as typical, (and it seems low to me) that is a steady power of 5000W-hr x 1day/24hr = 200 watts average over a day. There are 300 M autos in the US, so that comes to 60 GWs of power. US power capability is about 1000 GW, so it would have to be increased by 6/100 or 6%. But i suspect the actual number is higher. different approach 550 gallons is annual use per vehicle, x 300 M vehicles is 165000 M gal of gas. energy content of gasoline is 125000 BTU/gal or 37 kw-hrs/gal 37 kw-hrs/gal x 165 G gal = 6000 Tw-hrs annually 6000 Tw-hrs x 1day/24hr x 1yr/365days = 700 Gw in a year So this way we get that annual power usage has to be increased by 70%. Since electric motors are a lot more efficient than gasoline engines, I think we can reduce that by a factor of 3, to get an increase of 23%. Still a lot of power plants.

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i think it is 12 volts direct current 150 ampere (a battery). it depend upon the consume of the motor of that car, it use the direct current motor not a alternate current motor because the alternating current motor is much consumable to the batteries. If it is the car had a charger like for example of Solar panel board which put up the roof of the car, it can easily charge to the battery and it will run miles away (that is my idea). There are so many options of running a car in an electric source like for example of the inverter's.

Erwin B

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